Doctor profile · Federal record
Dr. Loren Havemeier, PA
Surgical Physician Assistant (CMS: Physician Assistant) · La Crosse, WI
- NPI 1861620692
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300 - Additional location
-
Marshfield Clinic, 1000 N Oak Avenue
Marshfield, WI 54449
(715) 389-0791
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- April 14, 2025
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 363AS0400X — NUCC code
- State license (1)
- Wisconsin #2454
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861620692. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
37
Distinct HCPCS
2
Medicare allowed
$4,191
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
33533 |
Coronary artery bypass using artery graft, 1 graft | 20 | 20 | $208 | |
33508 |
Harvest of vein using an endoscope | 17 | 17 | $2 |
In context: peer comparison
Among 11 peers in La Crosse Surgical Physician Assistant, average services per provider: 36. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$32
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Davol INC. | 1 | $31.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
151
Patients
94
Total drug cost
$741
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Tartrate | Generic | 44 | 24 | $117 |
| Tramadol Hcl | Generic | 29 | 29 | $78 |
| Amiodarone Hcl | Generic | 28 | 28 | $218 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 25 | 13 | $186 |
| Carvedilol | Generic | 13 | 0 | $56 |
| Atorvastatin Calcium | Generic | 12 | 0 | $86 |
Hospital affiliations
Frequently asked questions
What is Dr. Loren Havemeier's medical specialty?
Dr. Loren Havemeier practices Surgical Physician Assistant in La Crosse, WI.
Where does Dr. Loren Havemeier practice?
Dr. Loren Havemeier practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Loren Havemeier's NPI?
Dr. Loren Havemeier's National Provider Identifier (NPI) is 1861620692, issued by NPPES.
Does Dr. Loren Havemeier accept Medicare assignment?
Yes. Dr. Loren Havemeier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loren Havemeier commonly perform?
Top Medicare-reported procedures in 2023: Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Harvest of vein using an endoscope (HCPCS 33508). Source: CMS Medicare Physician & Other Practitioners file.